Class: Email::Receiver
- Inherits:
-
Object
show all
- Defined in:
- lib/email/receiver.rb
Defined Under Namespace
Classes: AutoGeneratedEmailError, BadDestinationAddress, BouncedEmailError, EmailNotAllowed, EmptyEmailError, FromReplyByAddressError, InactiveUserError, InsufficientTrustLevelError, InvalidPost, InvalidPostAction, NoBodyDetectedError, NoSenderDetectedError, OldDestinationError, ProcessingError, ReplyNotAllowedError, ReplyToDigestError, ReplyUserNotMatchingError, ScreenedEmailError, SilencedUserError, StrangersNotAllowedError, TooManyRecipientsError, TooShortPost, TopicClosedError, TopicNotFoundError, UnsubscribeNotAllowed, UserNotFoundError
Instance Attribute Summary collapse
Class Method Summary
collapse
Instance Method Summary
collapse
-
#add_attachments(raw, user, options = {}) ⇒ Object
-
#add_elided_to_raw!(options) ⇒ Object
-
#add_other_addresses(post, sender, mail_object) ⇒ Object
-
#all_destinations ⇒ Object
-
#attachments ⇒ Object
-
#auth_res_action ⇒ Object
-
#bounce_key ⇒ Object
-
#can_invite?(topic, user) ⇒ Boolean
-
#category_email_in_regex ⇒ Object
-
#contains_email_address_of_user?(addresses, user) ⇒ Boolean
-
#contains_reply_by_email_address(addresses, reply_key) ⇒ Object
-
#create_group_post(group, user, body, elided) ⇒ Object
-
#create_incoming_email ⇒ Object
-
#create_post(options = {}) ⇒ Object
-
#create_post_action(user, post, type) ⇒ Object
-
#create_post_with_attachments(options = {}) ⇒ Object
-
#create_reply(options = {}) ⇒ Object
-
#create_topic(options = {}) ⇒ Object
-
#delete_created_staged_users ⇒ Object
-
#destination_too_old?(post) ⇒ Boolean
-
#destinations ⇒ Object
-
#email_log ⇒ Object
-
#embedded_email ⇒ Object
-
#embedded_email_raw ⇒ Object
-
#enable_email_pm_setting(user) ⇒ Object
-
#extract_from_apple_mail(doc) ⇒ Object
-
#extract_from_exchange(doc) ⇒ Object
-
#extract_from_front(doc) ⇒ Object
-
#extract_from_gmail(doc) ⇒ Object
-
#extract_from_mozilla(doc) ⇒ Object
-
#extract_from_newton(doc) ⇒ Object
-
#extract_from_outlook(doc) ⇒ Object
-
#extract_from_protonmail(doc) ⇒ Object
-
#extract_from_word(doc) ⇒ Object
-
#extract_from_zimbra(doc) ⇒ Object
-
#find_existing_and_update_imap ⇒ Object
-
#find_or_create_user(email, display_name, raise_on_failed_create: false, user: nil) ⇒ Object
-
#find_or_create_user!(email, display_name) ⇒ Object
-
#find_related_post(force: false) ⇒ Object
-
#fix_charset(mail_part) ⇒ Object
-
#forwarded_email_create_replies(destination, user) ⇒ Object
-
#forwarded_email_create_topic(destination:, user:, raw:, title:, date: nil, embedded_user: nil) ⇒ Object
-
#forwarded_email_quote_forwarded(destination, user) ⇒ Object
-
#forwarded_reply_key?(post_reply_key, user) ⇒ Boolean
-
#get_all_recipients(mail) ⇒ Object
-
#group_incoming_emails_regex ⇒ Object
-
#handle_bounce ⇒ Object
-
#has_been_forwarded? ⇒ Boolean
-
#initialize(mail_string, opts = {}) ⇒ Receiver
constructor
A new instance of Receiver.
-
#is_allowed?(attachment) ⇒ Boolean
-
#is_auto_generated? ⇒ Boolean
-
#is_blocked? ⇒ Boolean
-
#is_bounce? ⇒ Boolean
-
#is_from_reply_by_email_address? ⇒ Boolean
-
#is_spam? ⇒ Boolean
-
#likes ⇒ Object
-
#log_and_validate_user(user) ⇒ Object
-
#new_group_topic_body(body, target_post, too_old_for_group_smtp) ⇒ Object
-
#notification_level_for(body) ⇒ Object
-
#notify_about_rejected_attachment(attachments) ⇒ Object
-
#parse_from_field(mail, process_forwarded_emails: true) ⇒ Object
-
#post_action_for(body) ⇒ Object
-
#previous_replies_regex ⇒ Object
-
#process! ⇒ Object
-
#process_destination(destination, user, body, elided) ⇒ Object
-
#process_forwarded_email(destination, user) ⇒ Object
-
#process_internal ⇒ Object
-
#reply_above_line_regex ⇒ Object
-
#select_body ⇒ Object
-
#send_subscription_mail(action, user) ⇒ Object
-
#sent_to_mailinglist_mirror? ⇒ Boolean
-
#should_invite?(email) ⇒ Boolean
-
#stage_from_user ⇒ Object
-
#stage_sender_user(email, display_name) ⇒ Object
-
#subject ⇒ Object
-
#subscription_action_for(body, subject) ⇒ Object
-
#to_markdown(html, elided_html) ⇒ Object
-
#trim_discourse_markers(reply) ⇒ Object
-
#trim_reply_and_extract_elided(text) ⇒ Object
-
#try_to_encode(string, encoding) ⇒ Object
Constructor Details
#initialize(mail_string, opts = {}) ⇒ Receiver
Returns a new instance of Receiver.
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
# File 'lib/email/receiver.rb', line 80
def initialize(mail_string, opts = {})
raise EmptyEmailError if mail_string.blank?
@staged_users = []
@created_staged_users = []
@raw_email = mail_string
COMMON_ENCODINGS.each do |encoding|
fixed = try_to_encode(mail_string, encoding)
break @raw_email = fixed if fixed.present?
end
@mail = Mail.new(@raw_email)
@message_id = @mail.message_id.presence || Digest::MD5.hexdigest(mail_string)
@opts = opts
@destinations ||= opts[:destinations]
end
|
Instance Attribute Details
#incoming_email ⇒ Object
Returns the value of attribute incoming_email.
69
70
71
|
# File 'lib/email/receiver.rb', line 69
def incoming_email
@incoming_email
end
|
#mail ⇒ Object
Returns the value of attribute mail.
71
72
73
|
# File 'lib/email/receiver.rb', line 71
def mail
@mail
end
|
#message_id ⇒ Object
Returns the value of attribute message_id.
72
73
74
|
# File 'lib/email/receiver.rb', line 72
def message_id
@message_id
end
|
#raw_email ⇒ Object
Returns the value of attribute raw_email.
70
71
72
|
# File 'lib/email/receiver.rb', line 70
def raw_email
@raw_email
end
|
Class Method Details
.check_address(address, include_verp = false) ⇒ Object
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
|
# File 'lib/email/receiver.rb', line 822
def self.check_address(address, include_verp = false)
if SiteSetting.email_in
group = Group.find_by_email(address)
return group if group
category = Category.find_by_email(address)
return category if category
end
match = Email::Receiver.reply_by_email_address_regex(true, include_verp).match(address)
if match && match.captures
match.captures.each do |c|
next if c.blank?
post_reply_key = PostReplyKey.find_by(reply_key: c)
return post_reply_key if post_reply_key
end
end
nil
end
|
.elided_html(elided) ⇒ Object
1497
1498
1499
1500
1501
1502
1503
1504
|
# File 'lib/email/receiver.rb', line 1497
def self.elided_html(elided)
html = +"\n\n" << "<details class='elided'>" << "\n"
html << "<summary title='#{I18n.t("emails.incoming.show_trimmed_content")}'>···</summary>" <<
"\n\n"
html << elided << "\n\n"
html << "</details>" << "\n"
html
end
|
.extract_email_address_and_name(value) ⇒ Object
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
|
# File 'lib/email/receiver.rb', line 731
def self.extract_email_address_and_name(value)
begin
value = value.to_s
value = value.gsub(/\[mailto:([^\[\]]+?)\]/, "<\\1>")
value = value.gsub("mailto:", "")
parsed = Mail::Address.new(value)
mail = parsed.address.to_s.downcase.strip
name = parsed.name.to_s.strip
if mail.include?("@")
name = name[1...-1] if name.size > 2 && name[/\A(['"]).+(\1)\z/]
[mail, name]
end
rescue Mail::Field::ParseError, Mail::Field::IncompleteParseError => e
end
end
|
.extract_email_address_and_name_from_mailman(mail) ⇒ Object
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
|
# File 'lib/email/receiver.rb', line 712
def self.extract_email_address_and_name_from_mailman(mail)
list_address, _ = Email::Receiver.extract_email_address_and_name(mail[:list_post])
list_address, _ =
Email::Receiver.extract_email_address_and_name(mail[:x_beenthere]) if list_address.blank?
return if list_address.blank?
address_to_name = mail[:cc]&.element&.addresses&.to_h { [_1.address, _1.name] } || {}
%i[from reply_to x_mailfrom x_original_from].each do ||
next if mail[].blank?
email, name = Email::Receiver.extract_email_address_and_name(mail[])
if email.present? && email != list_address
return email, name.presence || address_to_name[email]
end
end
end
|
1226
1227
1228
1229
1230
1231
1232
|
# File 'lib/email/receiver.rb', line 1226
def self.(references)
if Array === references
references
elsif references.present?
references.split(/[\s,]/).map { |r| Email::MessageIdService.message_id_clean(r) }
end
end
|
1218
1219
1220
1221
1222
1223
1224
|
# File 'lib/email/receiver.rb', line 1218
def self.(mail, max_message_id_count:)
message_ids = [mail.in_reply_to, Email::Receiver.(mail.references)]
message_ids.flatten!
message_ids.select!(&:present?)
message_ids.uniq!
message_ids.first(max_message_id_count)
end
|
76
77
78
|
# File 'lib/email/receiver.rb', line 76
def self.formats
@formats ||= Enum.new(plaintext: 1, markdown: 2)
end
|
.reply_by_email_address_regex(extract_reply_key = true, include_verp = false) ⇒ Object
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
|
# File 'lib/email/receiver.rb', line 1164
def self.reply_by_email_address_regex( = true, include_verp = false)
reply_addresses = [SiteSetting.reply_by_email_address]
reply_addresses << (SiteSetting.alternative_reply_by_email_addresses.presence || "").split(
"|",
)
if include_verp && SiteSetting.reply_by_email_address.present? &&
SiteSetting.reply_by_email_address["+"]
reply_addresses << SiteSetting.reply_by_email_address.sub(
"%{reply_key}",
"verp-%{reply_key}",
)
end
reply_addresses.flatten!
reply_addresses.select!(&:present?)
reply_addresses.map! { |a| Regexp.escape(a) }
reply_addresses.map! { |a| a.gsub("\+", "\+?") }
reply_addresses.map! { |a| a.gsub(Regexp.escape("%{reply_key}"), "(\\h{32})?") }
if reply_addresses.empty?
/$a/ else
/#{reply_addresses.join("|")}/
end
end
|
.update_bounce_score(email, score) ⇒ Object
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
|
# File 'lib/email/receiver.rb', line 352
def self.update_bounce_score(email, score)
if user = User.find_by_email(email)
old_bounce_score = user.user_stat.bounce_score
new_bounce_score = old_bounce_score + score
range = (old_bounce_score + 1..new_bounce_score)
user.user_stat.bounce_score = new_bounce_score
user.user_stat.reset_bounce_score_after =
SiteSetting.reset_bounce_score_after_days.days.from_now
user.user_stat.save!
if range === SiteSetting.bounce_score_threshold
reason =
I18n.t(
"user.email.revoked",
email: user.email,
date: user.user_stat.reset_bounce_score_after,
)
StaffActionLogger.new(Discourse.system_user).log_revoke_email(user, reason)
SystemMessage.create_from_system_user(user, :email_revoked)
end
end
end
|
Instance Method Details
#add_attachments(raw, user, options = {}) ⇒ Object
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
|
# File 'lib/email/receiver.rb', line 1332
def add_attachments(raw, user, options = {})
raw = raw.dup
rejected_attachments = []
attachments.each do |attachment|
tmp = Tempfile.new(["discourse-email-attachment", File.extname(attachment.filename)])
begin
File.open(tmp.path, "w+b") { |f| f.write attachment.body.decoded }
opts = { for_group_message: options[:is_group_message] }
upload = UploadCreator.new(tmp, attachment.filename, opts).create_for(user.id)
if upload.errors.empty?
if attachment.content_type&.start_with?("image/")
if raw[attachment.url]
raw.sub!(attachment.url, upload.url)
InlineUploads.match_img(
raw,
uploads: {
upload.url => upload,
},
) do |match, src, replacement, _|
raw = raw.sub(match, replacement) if src == upload.url
end
elsif raw[/\[image:[^\]]*\]/i]
raw.sub!(/\[image:[^\]]*\]/i, UploadMarkdown.new(upload).to_markdown)
else
raw << "\n\n#{UploadMarkdown.new(upload).to_markdown}\n\n"
end
else
raw << "\n\n#{UploadMarkdown.new(upload).to_markdown}\n\n"
end
else
rejected_attachments << upload
raw << "\n\n#{I18n.t("emails.incoming.missing_attachment", filename: upload.original_filename)}\n\n"
end
ensure
tmp&.close!
end
end
if rejected_attachments.present? && !user.staged?
notify_about_rejected_attachment(rejected_attachments)
end
raw
end
|
#add_elided_to_raw!(options) ⇒ Object
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
|
# File 'lib/email/receiver.rb', line 1402
def add_elided_to_raw!(options)
is_private_message =
options[:archetype] == Archetype.private_message || options[:topic].try(:private_message?)
if options[:elided].present? &&
(SiteSetting.always_show_trimmed_content || is_private_message)
options[:raw] << Email::Receiver.elided_html(options[:elided])
options[:elided] = ""
end
end
|
#add_other_addresses(post, sender, mail_object) ⇒ Object
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
|
# File 'lib/email/receiver.rb', line 1506
def add_other_addresses(post, sender, mail_object)
max_staged_users_post = nil
%i[to cc bcc].each do |d|
next if mail_object[d].blank?
mail_object[d].each do |address_field|
begin
address_field.decoded
email = address_field.address.downcase
display_name = address_field.display_name.try(:to_s)
next if !email.include?("@")
if should_invite?(email)
user = User.find_by_email(email)
if (!user || user.staged) &&
@staged_users.count >= SiteSetting.maximum_staged_users_per_email
max_staged_users_post ||=
post.topic.add_moderator_post(
sender,
I18n.t("emails.incoming.maximum_staged_user_per_email_reached"),
import_mode: @opts[:import_mode],
)
next
end
user = find_or_create_user(email, display_name, user: user)
if user && can_invite?(post.topic, user)
post.topic.topic_allowed_users.create!(user_id: user.id)
TopicUser.auto_notification_for_staging(
user.id,
post.topic_id,
TopicUser.notification_reasons[:auto_watch],
)
post.topic.add_small_action(
sender,
"invited_user",
user.username,
import_mode: @opts[:import_mode],
)
end
end
rescue ActiveRecord::RecordInvalid, EmailNotAllowed
end
end
end
end
|
#all_destinations ⇒ Object
798
799
800
801
802
803
804
|
# File 'lib/email/receiver.rb', line 798
def all_destinations
@all_destinations ||= [
@mail.destinations,
[@mail[:x_forwarded_to]].flatten.compact.map(&:decoded),
[@mail[:delivered_to]].flatten.compact.map(&:decoded),
].flatten.select(&:present?).uniq.lazy
end
|
#attachments ⇒ Object
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
|
# File 'lib/email/receiver.rb', line 1313
def attachments
@attachments ||=
begin
attachments = @mail.attachments.select { |attachment| is_allowed?(attachment) }
attachments << @mail if @mail.attachment? && is_allowed?(@mail)
@mail.parts.each { |part| attachments << part if part.attachment? && is_allowed?(part) }
attachments.uniq!
attachments
end
end
|
#auth_res_action ⇒ Object
404
405
406
|
# File 'lib/email/receiver.rb', line 404
def auth_res_action
@auth_res_action ||= AuthenticationResults.new(@mail.[:authentication_results]).action
end
|
#bounce_key ⇒ Object
339
340
341
342
343
344
345
|
# File 'lib/email/receiver.rb', line 339
def bounce_key
@bounce_key ||=
begin
verp = all_destinations.select { |to| to[/\+verp-\h{32}@/] }.first
verp && verp[/\+verp-(\h{32})@/, 1]
end
end
|
#can_invite?(topic, user) ⇒ Boolean
1562
1563
1564
1565
1566
1567
1568
|
# File 'lib/email/receiver.rb', line 1562
def can_invite?(topic, user)
!topic.topic_allowed_users.where(user_id: user.id).exists? &&
!topic
.topic_allowed_groups
.where("group_id IN (SELECT group_id FROM group_users WHERE user_id = ?)", user.id)
.exists?
end
|
#category_email_in_regex ⇒ Object
1199
1200
1201
1202
1203
1204
1205
1206
1207
|
# File 'lib/email/receiver.rb', line 1199
def category_email_in_regex
@category_email_in_regex ||=
Regexp.union Category
.pluck(:email_in)
.select(&:present?)
.map { |e| e.split("|") }
.flatten
.uniq
end
|
#contains_email_address_of_user?(addresses, user) ⇒ Boolean
993
994
995
996
997
998
|
# File 'lib/email/receiver.rb', line 993
def contains_email_address_of_user?(addresses, user)
return false if addresses.blank?
addresses = addresses.split(";")
user.user_emails.any? { |user_email| addresses.include?(user_email.email) }
end
|
#contains_reply_by_email_address(addresses, reply_key) ⇒ Object
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
|
# File 'lib/email/receiver.rb', line 1000
def contains_reply_by_email_address(addresses, reply_key)
return false if addresses.blank?
addresses
.split(";")
.each do |address|
match = Email::Receiver.reply_by_email_address_regex.match(address)
return true if match && match.captures&.include?(reply_key)
end
false
end
|
#create_group_post(group, user, body, elided) ⇒ Object
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
|
# File 'lib/email/receiver.rb', line 898
def create_group_post(group, user, body, elided)
message_ids = Email::Receiver.(@mail, max_message_id_count: 5)
incoming_emails = IncomingEmail.where(message_id: message_ids)
if !group.allow_unknown_sender_topic_replies
incoming_emails = incoming_emails.addressed_to_user(user)
end
post_ids = incoming_emails.pluck(:post_id) || []
if Email::MessageIdService.discourse_generated_message_id?(mail.in_reply_to)
post_id_from_email_log =
EmailLog
.where(message_id: mail.in_reply_to)
.addressed_to_user(user)
.order(created_at: :desc)
.limit(1)
.pluck(:post_id)
.last
post_ids << post_id_from_email_log if post_id_from_email_log
end
target_post = post_ids.any? && Post.where(id: post_ids).order(:created_at).last
too_old_for_group_smtp = (destination_too_old?(target_post) && group.smtp_enabled)
if target_post.blank? || too_old_for_group_smtp
create_topic(
user: user,
raw: new_group_topic_body(body, target_post, too_old_for_group_smtp),
elided: elided,
title: subject,
archetype: Archetype.private_message,
target_group_names: [group.name],
is_group_message: true,
skip_validations: true,
)
else
if group.allow_unknown_sender_topic_replies
target_post.topic.topic_allowed_users.find_or_create_by!(user_id: user.id)
end
create_reply(
user: user,
raw: body,
elided: elided,
post: target_post,
topic: target_post.topic,
skip_validations: true,
)
end
end
|
#create_incoming_email ⇒ Object
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
# File 'lib/email/receiver.rb', line 159
def create_incoming_email
cc_addresses = Array.wrap(@mail.cc)
cc_addresses.concat(embedded_email.cc) if has_been_forwarded? && embedded_email&.cc
IncomingEmail.create(
message_id: @message_id,
raw: Email::Cleaner.new(@raw_email).execute,
subject: subject,
from_address: @from_email,
to_addresses: @mail.to,
cc_addresses: cc_addresses,
imap_uid_validity: @opts[:imap_uid_validity],
imap_uid: @opts[:imap_uid],
imap_group_id: @opts[:imap_group_id],
imap_sync: false,
created_via: IncomingEmail.created_via_types[@opts[:source] || :unknown],
)
end
|
#create_post(options = {}) ⇒ Object
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
|
# File 'lib/email/receiver.rb', line 1414
def create_post(options = {})
options[:import_mode] = @opts[:import_mode]
options[:via_email] = true
options[:raw_email] = @raw_email
options[:created_at] ||= @mail.date
options[:created_at] = DateTime.now if options[:created_at] > DateTime.now
add_elided_to_raw!(options)
if sent_to_mailinglist_mirror?
options[:skip_validations] = true
options[:skip_guardian] = true
else
options[:email_spam] = is_spam?
options[:first_post_checks] = true if is_spam?
options[:email_auth_res_action] = auth_res_action
end
user = options.delete(:user)
if options[:bounce]
options[:raw] = I18n.t(
"system_messages.email_bounced",
email: user.email,
raw: options[:raw],
)
user = Discourse.system_user
options[:post_type] = Post.types[:whisper]
end
options[:skip_jobs] = true
options[:skip_events] = true
result = NewPostManager.new(user, options).perform
errors = result.errors.full_messages
if errors.any? { |message|
message.include?(I18n.t("activerecord.attributes.post.raw").strip) &&
message.include?(
I18n.t("errors.messages.too_short", count: SiteSetting.min_post_length).strip,
)
}
raise TooShortPost
end
raise InvalidPost, errors.join("\n") if result.errors.present?
if result.post
IncomingEmail.transaction do
@incoming_email.update_columns(topic_id: result.post.topic_id, post_id: result.post.id)
result.post.update(outbound_message_id: @incoming_email.message_id)
end
if result.post.topic&.private_message? && !is_bounce?
add_other_addresses(result.post, user, @mail)
if has_been_forwarded?
add_other_addresses(result.post, @forwarded_by_user || user, embedded_email)
end
end
PostJobsEnqueuer.new(
result.post,
result.post.topic,
options[:topic_id].blank?,
import_mode: options[:import_mode],
post_alert_options: options[:post_alert_options],
).enqueue_jobs
if result.post.is_first_post?
DiscourseEvent.trigger(:topic_created, result.post.topic, options, user)
end
DiscourseEvent.trigger(:post_created, result.post, options, user)
end
result.post
end
|
#create_post_action(user, post, type) ⇒ Object
#create_post_with_attachments(options = {}) ⇒ Object
1326
1327
1328
1329
1330
|
# File 'lib/email/receiver.rb', line 1326
def create_post_with_attachments(options = {})
add_elided_to_raw!(options)
options[:raw] = add_attachments(options[:raw], options[:user], options)
create_post(options)
end
|
#create_reply(options = {}) ⇒ Object
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
|
# File 'lib/email/receiver.rb', line 1274
def create_reply(options = {})
raise TopicNotFoundError if options[:topic].nil? || options[:topic].trashed?
if options[:bounce] && options[:topic].archetype != Archetype.private_message
raise BouncedEmailError
end
options[:post] = nil if options[:post]&.trashed?
if options[:topic].archetype == Archetype.private_message
enable_email_pm_setting(options[:user])
end
if post_action_type = post_action_for(options[:raw])
create_post_action(options[:user], options[:post], post_action_type)
elsif notification_level = notification_level_for(options[:raw])
TopicUser.change(
options[:user].id,
options[:post].topic_id,
notification_level: notification_level,
)
else
raise TopicClosedError if options[:topic].closed?
options[:topic_id] = options[:topic].id
options[:reply_to_post_number] = options[:post]&.post_number
options[:is_group_message] = options[:topic].private_message? &&
options[:topic].allowed_groups.exists?
create_post_with_attachments(options)
end
end
|
#create_topic(options = {}) ⇒ Object
1251
1252
1253
1254
1255
|
# File 'lib/email/receiver.rb', line 1251
def create_topic(options = {})
enable_email_pm_setting(options[:user]) if options[:archetype] == Archetype.private_message
create_post_with_attachments(options)
end
|
#delete_created_staged_users ⇒ Object
1583
1584
1585
1586
1587
1588
1589
|
# File 'lib/email/receiver.rb', line 1583
def delete_created_staged_users
@created_staged_users.each do |user|
@incoming_email.update_columns(user_id: nil) if @incoming_email.user&.id == user.id
UserDestroyer.new(Discourse.system_user).destroy(user, quiet: true) if user.posts.count == 0
end
end
|
#destination_too_old?(post) ⇒ Boolean
1599
1600
1601
1602
1603
|
# File 'lib/email/receiver.rb', line 1599
def destination_too_old?(post)
return false if post.blank?
num_of_days = SiteSetting.disallow_reply_by_email_after_days
num_of_days > 0 && post.created_at < num_of_days.days.ago
end
|
#destinations ⇒ Object
806
807
808
809
|
# File 'lib/email/receiver.rb', line 806
def destinations
@destinations ||=
all_destinations.map { |d| Email::Receiver.check_address(d, is_bounce?) }.reject(&:blank?)
end
|
#email_log ⇒ Object
347
348
349
350
|
# File 'lib/email/receiver.rb', line 347
def email_log
return nil if bounce_key.blank?
@email_log ||= EmailLog.find_by(bounce_key: bounce_key)
end
|
#embedded_email ⇒ Object
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
|
# File 'lib/email/receiver.rb', line 1024
def embedded_email
@embedded_email ||=
if embedded_email_raw.present?
mail = Mail.new(embedded_email_raw)
Email::Validator.ensure_valid_address_lists!(mail)
mail
else
nil
end
end
|
#embedded_email_raw ⇒ Object
1017
1018
1019
1020
1021
1022
|
# File 'lib/email/receiver.rb', line 1017
def embedded_email_raw
return @embedded_email_raw if @embedded_email_raw
text = fix_charset(@mail.multipart? ? @mail.text_part : @mail)
@embedded_email_raw, @before_embedded = EmailReplyTrimmer.(text)
@embedded_email_raw
end
|
#enable_email_pm_setting(user) ⇒ Object
1591
1592
1593
1594
1595
1596
1597
|
# File 'lib/email/receiver.rb', line 1591
def enable_email_pm_setting(user)
if !user.staged &&
user.user_option.email_messages_level == UserOption.email_level_types[:never]
user.user_option.update!(email_messages_level: UserOption.email_level_types[:always])
end
end
|
545
546
547
548
549
550
|
# File 'lib/email/receiver.rb', line 545
def (doc)
elided = doc.css("#AppleMailSignature:last-of-type ~ *").remove
to_markdown(doc.to_html, elided.to_html)
end
|
538
539
540
541
542
543
|
# File 'lib/email/receiver.rb', line 538
def (doc)
elided = doc.css("div[name='messageReplySection']").remove
to_markdown(doc.css("div[name='messageReplySection']").to_html, elided.to_html)
end
|
582
583
584
585
586
|
# File 'lib/email/receiver.rb', line 582
def (doc)
elided = doc.css("*[class^='front-']").remove
to_markdown(doc.to_html, elided.to_html)
end
|
515
516
517
518
519
|
# File 'lib/email/receiver.rb', line 515
def (doc)
elided = doc.css(".gmail_signature, .gmail_extra").remove
to_markdown(doc.to_html, elided.to_html)
end
|
552
553
554
555
556
557
558
559
560
561
562
|
# File 'lib/email/receiver.rb', line 552
def (doc)
elided =
doc.css(
"*[class^='moz-cite'], *[class^='moz-cite'] ~ *, " \
"*[class^='moz-signature'], *[class^='moz-signature'] ~ *, " \
"*[class^='moz-forward'], *[class^='moz-forward'] ~ *",
).remove
to_markdown(doc.to_html, elided.to_html)
end
|
576
577
578
579
580
|
# File 'lib/email/receiver.rb', line 576
def (doc)
elided = doc.css("*[id^='cm_'], *[class^='cm_']").remove
to_markdown(doc.to_html, elided.to_html)
end
|
521
522
523
524
525
526
|
# File 'lib/email/receiver.rb', line 521
def (doc)
elided = doc.css("#Signature, #Signature ~ *, hr, #divRplyFwdMsg, #divRplyFwdMsg ~ *").remove
to_markdown(doc.to_html, elided.to_html)
end
|
564
565
566
567
568
|
# File 'lib/email/receiver.rb', line 564
def (doc)
elided = doc.css("*[class^='protonmail_'], *[class^='protonmail_'] ~ *").remove
to_markdown(doc.to_html, elided.to_html)
end
|
528
529
530
531
532
533
534
535
536
|
# File 'lib/email/receiver.rb', line 528
def (doc)
elided =
doc.css(
".WordSection1 > :not(p):not(ul):first-of-type, .WordSection1 > :not(p):not(ul):first-of-type ~ *",
).remove
to_markdown(doc.at(".WordSection1").to_html, elided.to_html)
end
|
570
571
572
573
574
|
# File 'lib/email/receiver.rb', line 570
def (doc)
elided = doc.css("*[data-marker]").remove
to_markdown(doc.to_html, elided.to_html)
end
|
#find_existing_and_update_imap ⇒ Object
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
# File 'lib/email/receiver.rb', line 127
def find_existing_and_update_imap
return unless incoming_email = IncomingEmail.find_by(message_id: @message_id)
return incoming_email if @opts[:imap_uid].blank?
return unless Email::MessageIdService.discourse_generated_message_id?(@message_id)
incoming_email.update(
imap_uid_validity: @opts[:imap_uid_validity],
imap_uid: @opts[:imap_uid],
imap_group_id: @opts[:imap_group_id],
imap_sync: false,
)
incoming_email
end
|
#find_or_create_user(email, display_name, raise_on_failed_create: false, user: nil) ⇒ Object
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
|
# File 'lib/email/receiver.rb', line 765
def find_or_create_user(email, display_name, raise_on_failed_create: false, user: nil)
User.transaction do
user ||= User.find_by_email(email)
if user.nil? && SiteSetting.enable_staged_users
raise EmailNotAllowed unless EmailValidator.allowed?(email)
username = UserNameSuggester.sanitize_username(display_name) if display_name.present?
begin
user =
User.create!(
email: email,
username: UserNameSuggester.suggest(username.presence || email),
name: display_name.presence || User.suggest_name(email),
staged: true,
)
@created_staged_users << user
rescue PG::UniqueViolation, ActiveRecord::RecordNotUnique, ActiveRecord::RecordInvalid
raise if raise_on_failed_create
user = nil
end
end
@staged_users << user if user&.staged?
end
user
end
|
#find_or_create_user!(email, display_name) ⇒ Object
794
795
796
|
# File 'lib/email/receiver.rb', line 794
def find_or_create_user!(email, display_name)
find_or_create_user(email, display_name, raise_on_failed_create: true)
end
|
#find_related_post(force: false) ⇒ Object
1209
1210
1211
1212
1213
1214
1215
1216
|
# File 'lib/email/receiver.rb', line 1209
def find_related_post(force: false)
return if !force && SiteSetting.find_related_post_with_key && !sent_to_mailinglist_mirror?
message_ids = Email::Receiver.(@mail, max_message_id_count: 5)
return if message_ids.empty?
Email::MessageIdService.find_post_from_message_ids(message_ids)
end
|
#fix_charset(mail_part) ⇒ Object
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
|
# File 'lib/email/receiver.rb', line 593
def fix_charset(mail_part)
return nil if mail_part.blank? || mail_part.body.blank?
string =
begin
mail_part.body.decoded
rescue StandardError
nil
end
return nil if string.blank?
encodings = COMMON_ENCODINGS.dup
encodings.unshift(mail_part.charset) if mail_part.charset.present?
if mail_part.content_transfer_encoding == "8bit"
encodings.delete("UTF-8")
encodings.unshift("UTF-8")
end
encodings.uniq.each do |encoding|
fixed = try_to_encode(string, encoding)
return fixed if fixed.present?
end
nil
end
|
#forwarded_email_create_replies(destination, user) ⇒ Object
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
|
# File 'lib/email/receiver.rb', line 1086
def forwarded_email_create_replies(destination, user)
forwarded_by_address, forwarded_by_name =
Email::Receiver.extract_email_address_and_name(@mail[:from])
if forwarded_by_address && forwarded_by_name
@forwarded_by_user = stage_sender_user(forwarded_by_address, forwarded_by_name)
end
email_address, display_name =
parse_from_field(embedded_email, process_forwarded_emails: false)
return false if email_address.blank? || !email_address.include?("@")
post =
forwarded_email_create_topic(
destination: destination,
user: user,
raw: try_to_encode(embedded_email.decoded, "UTF-8").presence || embedded_email.to_s,
title: embedded_email.subject.presence || subject,
date: embedded_email.date,
embedded_user: lambda { find_or_create_user(email_address, display_name) },
)
return false unless post
if post.topic
PostTiming.record_timing(
user_id: user.id,
topic_id: post.topic_id,
post_number: post.post_number,
msecs: 5000,
)
if @before_embedded.present?
post_type = Post.types[:regular]
post_type = Post.types[:whisper] if post.topic.private_message? &&
destination.usernames[user.username]
create_reply(
user: user,
raw: @before_embedded,
post: post,
topic: post.topic,
post_type: post_type,
skip_validations: user.staged?,
)
else
if @forwarded_by_user
post.topic.topic_allowed_users.find_or_create_by!(user_id: @forwarded_by_user.id)
end
post.topic.add_small_action(@forwarded_by_user || user, "forwarded")
end
end
true
end
|
#forwarded_email_create_topic(destination:, user:, raw:, title:, date: nil, embedded_user: nil) ⇒ Object
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
|
# File 'lib/email/receiver.rb', line 1047
def forwarded_email_create_topic(
destination:,
user:,
raw:,
title:,
date: nil,
embedded_user: nil
)
if destination.is_a?(Group)
topic_user = embedded_user&.call || user
create_topic(
user: topic_user,
raw: raw,
title: title,
archetype: Archetype.private_message,
target_usernames: [user.username],
target_group_names: [destination.name],
is_group_message: true,
skip_validations: true,
created_at: date,
)
elsif destination.is_a?(Category)
return false if user.staged? && !destination.email_in_allow_strangers
return false if !user.has_trust_level?(SiteSetting.email_in_min_trust)
topic_user = embedded_user&.call || user
create_topic(
user: topic_user,
raw: raw,
title: title,
category: destination.id,
skip_validations: topic_user.staged?,
created_at: date,
)
else
false
end
end
|
#forwarded_email_quote_forwarded(destination, user) ⇒ Object
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
|
# File 'lib/email/receiver.rb', line 1145
def forwarded_email_quote_forwarded(destination, user)
raw = <<~MD
#{@before_embedded}
[quote]
#{PlainTextToMarkdown.new(@embedded_email_raw).to_markdown}
[/quote]
MD
if forwarded_email_create_topic(
destination: destination,
user: user,
raw: raw,
title: subject,
)
true
end
end
|
#forwarded_reply_key?(post_reply_key, user) ⇒ Boolean
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
|
# File 'lib/email/receiver.rb', line 969
def forwarded_reply_key?(post_reply_key, user)
incoming_emails =
IncomingEmail
.joins(:post)
.where("posts.topic_id = ?", post_reply_key.post.topic_id)
.addressed_to(post_reply_key.reply_key)
.addressed_to_user(user)
.pluck(:to_addresses, :cc_addresses)
incoming_emails.each do |to_addresses, cc_addresses|
unless contains_email_address_of_user?(to_addresses, user) ||
contains_email_address_of_user?(cc_addresses, user)
next
end
if contains_reply_by_email_address(to_addresses, post_reply_key.reply_key) ||
contains_reply_by_email_address(cc_addresses, post_reply_key.reply_key)
return true
end
end
false
end
|
#get_all_recipients(mail) ⇒ Object
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
|
# File 'lib/email/receiver.rb', line 274
def get_all_recipients(mail)
recipients = Set.new
%i[to cc bcc].each do |field|
next if mail[field].blank?
mail[field].each do |address_field|
begin
address_field.decoded
recipients << address_field.address.downcase
end
end
end
recipients
end
|
#group_incoming_emails_regex ⇒ Object
1190
1191
1192
1193
1194
1195
1196
1197
|
# File 'lib/email/receiver.rb', line 1190
def group_incoming_emails_regex
@group_incoming_emails_regex =
Regexp.union(DB.query_single(<<~SQL).map { |e| e.split("|") }.flatten.compact_blank.uniq)
SELECT CONCAT(incoming_email, '|', email_username)
FROM groups
WHERE incoming_email IS NOT NULL OR email_username IS NOT NULL
SQL
end
|
#handle_bounce ⇒ Object
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
|
# File 'lib/email/receiver.rb', line 295
def handle_bounce
@incoming_email.update_columns(is_bounce: true)
mail_error_statuses = Array.wrap(@mail.error_status)
if email_log.present?
email_log.update_columns(bounced: true, bounce_error_code: mail_error_statuses.first)
post = email_log.post
topic = email_log.topic
end
DiscourseEvent.trigger(:email_bounce, @mail, @incoming_email, @email_log)
if mail_error_statuses.any? { |s| s.start_with?(Email::SMTP_STATUS_TRANSIENT_FAILURE) }
Email::Receiver.update_bounce_score(@from_email, SiteSetting.soft_bounce_score)
else
Email::Receiver.update_bounce_score(@from_email, SiteSetting.hard_bounce_score)
end
if SiteSetting.whispers_allowed_groups.present? && @from_user&.staged?
return if email_log.blank?
if post.present? && topic.present? && topic.archetype == Archetype.private_message
body, elided = select_body
body ||= ""
create_reply(
user: @from_user,
raw: body,
elided: elided,
post: post,
topic: topic,
skip_validations: true,
bounce: true,
)
end
end
raise BouncedEmailError
end
|
#has_been_forwarded? ⇒ Boolean
1013
1014
1015
|
# File 'lib/email/receiver.rb', line 1013
def has_been_forwarded?
subject[/\A[[:blank:]]*(fwd?|tr)[[:blank:]]?:/i] && embedded_email_raw.present?
end
|
#is_allowed?(attachment) ⇒ Boolean
#is_auto_generated? ⇒ Boolean
379
380
381
382
383
384
385
386
387
388
389
|
# File 'lib/email/receiver.rb', line 379
def is_auto_generated?
return false if SiteSetting.auto_generated_allowlist.split("|").include?(@from_email)
@mail[:precedence].to_s[/list|junk|bulk|auto_reply/i] ||
@mail[:from].to_s[/(mailer[\-_]?daemon|post[\-_]?master|no[\-_]?reply)@/i] ||
@mail[:subject].to_s[
/\A\s*(Auto:|Automatic reply|Autosvar|Automatisk svar|Automatisch antwoord|Abwesenheitsnotiz|Risposta Non al computer|Automatisch antwoord|Auto Response|Respuesta automática|Fuori sede|Out of Office|Frånvaro|Réponse automatique)/i
] ||
@mail..reject { |h| h.name.downcase == "x-auto-response-suppress" }.to_s[
/auto[\-_]?(response|submitted|replied|reply|generated|respond)|holidayreply|machinegenerated/i
]
end
|
#is_blocked? ⇒ Boolean
154
155
156
157
|
# File 'lib/email/receiver.rb', line 154
def is_blocked?
return false if SiteSetting.ignore_by_title.blank?
Regexp.new(SiteSetting.ignore_by_title, Regexp::IGNORECASE) =~ @mail.subject
end
|
#is_bounce? ⇒ Boolean
291
292
293
|
# File 'lib/email/receiver.rb', line 291
def is_bounce?
@mail.bounced? || bounce_key
end
|
#is_from_reply_by_email_address? ⇒ Boolean
#is_spam? ⇒ Boolean
391
392
393
394
395
396
397
398
399
400
401
402
|
# File 'lib/email/receiver.rb', line 391
def is_spam?
case SiteSetting.
when "X-Spam-Flag"
@mail[:x_spam_flag].to_s[/YES/i]
when "X-Spam-Status"
@mail[:x_spam_status].to_s[/\AYes, /i]
when "X-SES-Spam-Verdict"
@mail[:x_ses_spam_verdict].to_s[/FAIL/i]
else
false
end
end
|
#likes ⇒ Object
1234
1235
1236
|
# File 'lib/email/receiver.rb', line 1234
def likes
@likes ||= Set.new ["+1", "<3", "❤", I18n.t("post_action_types.like.title").downcase]
end
|
#log_and_validate_user(user) ⇒ Object
267
268
269
270
271
272
|
# File 'lib/email/receiver.rb', line 267
def log_and_validate_user(user)
@incoming_email.update_columns(user_id: user.id)
raise InactiveUserError if !user.active && !user.staged
raise SilencedUserError if user.silenced?
end
|
#new_group_topic_body(body, target_post, too_old_for_group_smtp) ⇒ Object
958
959
960
961
962
963
964
965
966
967
|
# File 'lib/email/receiver.rb', line 958
def new_group_topic_body(body, target_post, too_old_for_group_smtp)
return body if !too_old_for_group_smtp
body + "\n\n----\n\n" +
I18n.t(
"emails.incoming.continuing_old_discussion",
url: target_post.topic.url,
title: target_post.topic.title,
count: SiteSetting.disallow_reply_by_email_after_days,
)
end
|
#notification_level_for(body) ⇒ Object
#notify_about_rejected_attachment(attachments) ⇒ Object
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
|
# File 'lib/email/receiver.rb', line 1381
def notify_about_rejected_attachment(attachments)
errors = []
attachments.each do |a|
error = a.errors.messages.values[0][0]
errors << "#{a.original_filename}: #{error}"
end
message = Mail::Message.new(@mail)
template_args = {
former_title: message.subject,
destination: message.to,
site_name: SiteSetting.title,
rejected_errors: errors.join("\n"),
}
client_message =
RejectionMailer.send_rejection(:email_reject_attachment, message.from, template_args)
Email::Sender.new(client_message, :email_reject_attachment).send
end
|
#parse_from_field(mail, process_forwarded_emails: true) ⇒ Object
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
|
# File 'lib/email/receiver.rb', line 663
def parse_from_field(mail, process_forwarded_emails: true)
if email_log.present?
email = email_log.to_address || email_log.user&.email
return email, email_log.user&.username
elsif mail.bounced?
address_type, generic_address = mail.final_recipient.to_s.split(";").map { _1.to_s.strip }
return generic_address, nil if generic_address.include?("@") && address_type == "rfc822"
end
return unless mail[:from]
if process_forwarded_emails && has_been_forwarded?
if mail[:from].to_s =~ group_incoming_emails_regex
if embedded_email && embedded_email[:from].errors.blank?
from_address, from_display_name =
Email::Receiver.extract_email_address_and_name(embedded_email[:from])
return from_address, from_display_name if from_address
end
end
end
if mail[:x_mailman_version].present?
address, name = Email::Receiver.extract_email_address_and_name_from_mailman(mail)
return address, name if address
end
if mail[:x_original_from].present? && mail[:reply_to].present?
original_from_address, _ =
Email::Receiver.extract_email_address_and_name(mail[:x_original_from])
reply_to_address, reply_to_name =
Email::Receiver.extract_email_address_and_name(mail[:reply_to])
return reply_to_address, reply_to_name if original_from_address == reply_to_address
end
Email::Receiver.extract_email_address_and_name(mail[:from])
rescue StandardError
nil
end
|
#post_action_for(body) ⇒ Object
1247
1248
1249
|
# File 'lib/email/receiver.rb', line 1247
def post_action_for(body)
PostActionType.types[:like] if likes.include?(body.strip.downcase)
end
|
#previous_replies_regex ⇒ Object
632
633
634
635
636
637
638
639
640
641
642
643
|
# File 'lib/email/receiver.rb', line 632
def previous_replies_regex
strings =
I18n
.available_locales
.map do |locale|
I18n.with_locale(locale) { I18n.t("user_notifications.previous_discussion") }
end
.uniq
@previous_replies_regex ||=
/\A--[- ]\n\*(?:#{strings.map { |x| Regexp.escape(x) }.join("|")})\*\n/im
end
|
#process! ⇒ Object
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
# File 'lib/email/receiver.rb', line 97
def process!
return if is_blocked?
id_hash = Digest::SHA1.hexdigest(@message_id)
DistributedMutex.synchronize("process_email_#{id_hash}") do
begin
return if @incoming_email = find_existing_and_update_imap
Email::Validator.ensure_valid!(@mail)
@from_email, @from_display_name = parse_from_field(@mail)
@from_user = User.find_by_email(@from_email)
@incoming_email = create_incoming_email
post = process_internal
raise BouncedEmailError if is_bounce?
post
rescue Exception => e
@incoming_email.update_columns(error: e.class.name) if @incoming_email
delete_created_staged_users
raise
end
end
end
|
#process_destination(destination, user, body, elided) ⇒ Object
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
|
# File 'lib/email/receiver.rb', line 844
def process_destination(destination, user, body, elided)
if SiteSetting.forwarded_emails_behaviour != "hide" && has_been_forwarded? &&
process_forwarded_email(destination, user)
return
end
return if is_bounce? && !destination.is_a?(PostReplyKey)
if destination.is_a?(Group)
user ||= stage_from_user
create_group_post(destination, user, body, elided)
elsif destination.is_a?(Category)
if (user.nil? || user.staged?) && !destination.email_in_allow_strangers
raise StrangersNotAllowedError
end
user ||= stage_from_user
if !user.has_trust_level?(SiteSetting.email_in_min_trust) && !sent_to_mailinglist_mirror?
raise InsufficientTrustLevelError
end
create_topic(
user: user,
raw: body,
elided: elided,
title: subject,
category: destination.id,
skip_validations: user.staged?,
)
elsif destination.is_a?(PostReplyKey)
raise BadDestinationAddress if user.blank?
post = Post.with_deleted.find(destination.post_id)
raise ReplyNotAllowedError if !Guardian.new(user).can_create_post?(post&.topic)
if destination.user_id != user.id && !forwarded_reply_key?(destination, user)
raise ReplyUserNotMatchingError,
"post_reply_key.user_id => #{destination.user_id.inspect}, user.id => #{user.id.inspect}"
end
create_reply(
user: user,
raw: body,
elided: elided,
post: post,
topic: post&.topic,
skip_validations: user.staged?,
bounce: is_bounce?,
)
end
end
|
#process_forwarded_email(destination, user) ⇒ Object
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
|
# File 'lib/email/receiver.rb', line 1035
def process_forwarded_email(destination, user)
user ||= stage_from_user
case SiteSetting.forwarded_emails_behaviour
when "create_replies"
forwarded_email_create_replies(destination, user)
when "quote"
forwarded_email_quote_forwarded(destination, user)
else
false
end
end
|
#process_internal ⇒ Object
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
# File 'lib/email/receiver.rb', line 177
def process_internal
handle_bounce if is_bounce?
raise NoSenderDetectedError if @from_email.blank?
raise FromReplyByAddressError if is_from_reply_by_email_address?
raise ScreenedEmailError if ScreenedEmail.should_block?(@from_email)
user = @from_user
if user.present?
log_and_validate_user(user)
else
raise UserNotFoundError unless SiteSetting.enable_staged_users
end
recipients = get_all_recipients(@mail)
if recipients.size > SiteSetting.maximum_recipients_per_new_group_email
raise TooManyRecipientsError.new(recipients_count: recipients.size)
end
body, elided = select_body
body ||= ""
raise NoBodyDetectedError if body.blank? && attachments.empty? && !is_bounce?
if is_auto_generated? && !sent_to_mailinglist_mirror?
@incoming_email.update_columns(is_auto_generated: true)
if SiteSetting.block_auto_generated_emails? && !is_bounce? && !@opts[:allow_auto_generated]
raise AutoGeneratedEmailError
end
end
if action = subscription_action_for(body, subject)
raise UnsubscribeNotAllowed if user.nil?
send_subscription_mail(action, user)
return
end
if post = find_related_post
if user.blank?
if sent_to_mailinglist_mirror? || !SiteSetting.find_related_post_with_key
user = stage_from_user
elsif user.blank?
raise BadDestinationAddress
end
end
create_reply(
user: user,
raw: body,
elided: elided,
post: post,
topic: post.topic,
skip_validations: user.staged?,
bounce: is_bounce?,
)
else
first_exception = nil
destinations.each do |destination|
begin
return process_destination(destination, user, body, elided)
rescue => e
first_exception ||= e
end
end
raise first_exception if first_exception
raise BadDestinationAddress if user.blank?
post = find_related_post(force: true)
if post && Guardian.new(user).can_see_post?(post)
if destination_too_old?(post)
raise OldDestinationError.new("#{Discourse.base_url}/p/#{post.id}")
end
end
if EmailLog.where(email_type: "digest", message_id: @mail.in_reply_to).exists?
raise ReplyToDigestError
end
raise BadDestinationAddress
end
end
|
#reply_above_line_regex ⇒ Object
645
646
647
648
649
650
651
652
653
654
655
|
# File 'lib/email/receiver.rb', line 645
def reply_above_line_regex
strings =
I18n
.available_locales
.map do |locale|
I18n.with_locale(locale) { I18n.t("user_notifications.reply_above_line") }
end
.uniq
@reply_above_line_regex ||= /\n(?:#{strings.map { |x| Regexp.escape(x) }.join("|")})\n/im
end
|
#select_body ⇒ Object
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
|
# File 'lib/email/receiver.rb', line 408
def select_body
text = nil
html = nil
text_content_type = nil
if @mail.multipart?
text = fix_charset(@mail.text_part)
html = fix_charset(@mail.html_part)
text_content_type = @mail.text_part&.content_type
elsif @mail.content_type.to_s["text/html"]
html = fix_charset(@mail)
elsif @mail.content_type.blank? || @mail.content_type["text/plain"]
text = fix_charset(@mail)
text_content_type = @mail.content_type
end
return unless text.present? || html.present?
if text.present?
text = trim_discourse_markers(text)
text, elided_text = trim_reply_and_extract_elided(text)
if @opts[:convert_plaintext] || sent_to_mailinglist_mirror?
text_content_type ||= ""
converter_opts = {
format_flowed: !!(text_content_type =~ /format\s*=\s*["']?flowed["']?/i),
delete_flowed_space: !!(text_content_type =~ /DelSp\s*=\s*["']?yes["']?/i),
}
text = PlainTextToMarkdown.new(text, converter_opts).to_markdown
elided_text = PlainTextToMarkdown.new(elided_text, converter_opts).to_markdown
end
end
markdown, elided_markdown =
if html.present?
if = HTML_EXTRACTERS.select { |_, r| html[r] }.min_by { |_, r| html =~ r }
doc = Nokogiri::HTML5.fragment(html)
self.public_send(:"extract_from_#{[0]}", doc)
else
markdown =
HtmlToMarkdown.new(html, keep_img_tags: true, keep_cid_imgs: true).to_markdown
markdown = trim_discourse_markers(markdown)
trim_reply_and_extract_elided(markdown)
end
end
text_format = Receiver.formats[:plaintext]
if text.blank? || (SiteSetting.incoming_email_prefer_html && markdown.present?)
text, elided_text, text_format = markdown, elided_markdown, Receiver.formats[:markdown]
end
if SiteSetting.strip_incoming_email_lines && text.present?
in_code = nil
text =
text
.lines
.map! do |line|
stripped = line.strip << "\n"
if (stripped[0] == "*" || stripped[0] == "-" || stripped[0] == "+") &&
stripped[1] == " "
next line
end
if !in_code && stripped[0..2] == "```"
in_code = "```"
elsif in_code == "```" && stripped[0..2] == "```"
in_code = nil
elsif !in_code && stripped[0..4] == "[code"
in_code = "[code]"
elsif in_code == "[code]" && stripped[0..6] == "[/code]"
in_code = nil
end
in_code ? line : stripped
end
.join
end
[text, elided_text, text_format]
end
|
#send_subscription_mail(action, user) ⇒ Object
1570
1571
1572
1573
|
# File 'lib/email/receiver.rb', line 1570
def send_subscription_mail(action, user)
message = SubscriptionMailer.public_send(action, user)
Email::Sender.new(message, :subscription).send
end
|
#sent_to_mailinglist_mirror? ⇒ Boolean
811
812
813
814
815
816
817
818
819
820
|
# File 'lib/email/receiver.rb', line 811
def sent_to_mailinglist_mirror?
@sent_to_mailinglist_mirror ||=
begin
destinations.each do |destination|
return true if destination.is_a?(Category) && destination.mailinglist_mirror?
end
false
end
end
|
#should_invite?(email) ⇒ Boolean
1557
1558
1559
1560
|
# File 'lib/email/receiver.rb', line 1557
def should_invite?(email)
email !~ Email::Receiver.reply_by_email_address_regex &&
email !~ group_incoming_emails_regex && email !~ category_email_in_regex
end
|
#stage_from_user ⇒ Object
1575
1576
1577
|
# File 'lib/email/receiver.rb', line 1575
def stage_from_user
@from_user ||= stage_sender_user(@from_email, @from_display_name)
end
|
#stage_sender_user(email, display_name) ⇒ Object
1579
1580
1581
|
# File 'lib/email/receiver.rb', line 1579
def stage_sender_user(email, display_name)
find_or_create_user!(email, display_name).tap { |u| log_and_validate_user(u) }
end
|
#subject ⇒ Object
756
757
758
759
760
761
762
763
|
# File 'lib/email/receiver.rb', line 756
def subject
@subject ||=
if mail_subject = @mail.subject
mail_subject.delete("\u0000")[0..254]
else
I18n.t("emails.incoming.default_subject", email: @from_email)
end
end
|
#subscription_action_for(body, subject) ⇒ Object
1238
1239
1240
1241
1242
1243
1244
1245
|
# File 'lib/email/receiver.rb', line 1238
def subscription_action_for(body, subject)
return unless SiteSetting.unsubscribe_via_email
return if sent_to_mailinglist_mirror?
if ([subject, body].compact.map(&:to_s).map(&:downcase) & ["unsubscribe"]).any?
:confirm_unsubscribe
end
end
|
#to_markdown(html, elided_html) ⇒ Object
495
496
497
498
499
500
|
# File 'lib/email/receiver.rb', line 495
def to_markdown(html, elided_html)
markdown = HtmlToMarkdown.new(html, keep_img_tags: true, keep_cid_imgs: true).to_markdown
elided_markdown =
HtmlToMarkdown.new(elided_html, keep_img_tags: true, keep_cid_imgs: true).to_markdown
[EmailReplyTrimmer.trim(markdown), elided_markdown]
end
|
#trim_discourse_markers(reply) ⇒ Object
657
658
659
660
661
|
# File 'lib/email/receiver.rb', line 657
def trim_discourse_markers(reply)
return "" if reply.blank?
reply = reply.split(previous_replies_regex)[0]
reply.split(reply_above_line_regex)[0]
end
|
#trim_reply_and_extract_elided(text) ⇒ Object
588
589
590
591
|
# File 'lib/email/receiver.rb', line 588
def trim_reply_and_extract_elided(text)
return text, "" if @opts[:skip_trimming] || !SiteSetting.trim_incoming_emails
EmailReplyTrimmer.trim(text, true)
end
|
#try_to_encode(string, encoding) ⇒ Object
623
624
625
626
627
628
629
630
|
# File 'lib/email/receiver.rb', line 623
def try_to_encode(string, encoding)
encoded = string.encode("UTF-8", encoding)
!encoded.nil? && encoded.valid_encoding? ? encoded : nil
rescue Encoding::InvalidByteSequenceError,
Encoding::UndefinedConversionError,
Encoding::ConverterNotFoundError
nil
end
|